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Here''s an intersting one: I have a client who wants to store hours of operation of a business for their RoR web app. I came up with a solution, but I really don''t like it. I have a MySQL table that has these fields monday_start, monday_end, tuesday_start, tuesday_end, etc., all as time fields. That''s all find and dandy. The kicker is, the client wants the hours to